Home / 25,129,133,764.32-34,679,756,099.76-13,851,540,031.20

Finding the Fourth Proportional to 25,129,133,764.32, 34,679,756,099.76 and 13,851,540,031.20

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Solution

The fourth proportional to 25,129,133,764.32, 34,679,756,099.76 and 13,851,540,031.20 is: 19,115,980,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129,133,764.32 : 34,679,756,099.76 = 13,851,540,031.20 : x
  2. Step 2: Convert to fraction form
    25,129,133,764.32/34,679,756,099.76 = 13,851,540,031.20/x
  3. Step 3: Cross multiply
    25,129,133,764.32x = 34,679,756,099.76 × 13,851,540,031.20
  4. Step 4: Simplify right side
    25,129,133,764.32x = 480,368,029,888,078,086,144
  5. Step 5: Solve for x
    x = 480,368,029,888,078,086,144/25,129,133,764.32
  6. Step 6: Final answer
    x = 19,115,980,454.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.